/Engine/Source/Runtime/PakFile/Public/IPlatformFilePak.h
Structure which describes the content of the pak .sig files
struct FPakSignatureFile
TArray< TPakChu...
ChunkHashes
CRCs of each contiguous 64kb block of the pak file.
FSHAHash
DecryptedHash
SHA1 hash of the chunk CRC data. Only valid after calling DecryptSignatureAndValidate.
TArray< uint8 >
EncryptedHash
RSA encrypted hash.
TArray< uint8 >
SignatureData
The actual array of data that was encrypted in the RSA block. Contains the chunk table hash and also other custom data related to the pak file.
EVersion
Version
Sig file version. Set to Legacy if the sig file is of an old version.